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IncobotulinumtoxinA (Xeomin®) can produce antibody-induced therapy failure in a patient pretreated with abobotulinumtoxinA (Dysport®)

  • Neurology and Preclinical Neurological Studies - Short communication
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Abstract

IncobotulinumtoxinA has not produced a single case of antibody-induced therapy failure after 8 years of worldwide usage. We are reporting a patient with progressive hereditary juvenile onset generalised dystonia who was pretreated with abobotulinumtoxinA for 15 years, before she received incobotulinumtoxinA. To the fifth and sixth applications, she responded with complete therapy failure. Mouse hemidiaphragm assay testing revealed a maximal botulinum toxin antibody titre. Improved specific biological activity and lack of complexing proteins seem to reduce the antigenicity of incobotulinumtoxinA. However, this first ever report indicates that it does not eliminate it entirely.

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References

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Acknowledgments

DD received honoraria for consultations from Allergan, Eisai/Solstice, Ipsen, Merz and Syntaxin. He is a shareholder in Allergan. He holds patents in botulinum toxin research. FAS has nothing to disclose. HB is CEO of Toxogen.

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Correspondence to Dirk Dressler.

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Dressler, D., Adib Saberi, F. & Bigalke, H. IncobotulinumtoxinA (Xeomin®) can produce antibody-induced therapy failure in a patient pretreated with abobotulinumtoxinA (Dysport®). J Neural Transm 121, 769–771 (2014). https://doi.org/10.1007/s00702-014-1165-7

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  • DOI: https://doi.org/10.1007/s00702-014-1165-7

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